Re: [PATCH v2 1/4] drm/i915/gt: Cleanup aux invalidation registers

[Nirmoy Das <nirmoy.das@xxxxxxxxxxxxxxx>]

On 6/27/2023 11:43 AM, Andi Shyti wrote:
> Fix the 'NV' definition postfix that is supposed to be INV.
>
> Take the chance to also order properly the registers based on
> their address and call the GEN12_GFX_CCS_AUX_INV address as
> GEN12_CCS_AUX_INV like all the other similar registers.
>
> Remove also VD1, VD3 and VE1 registers that don't exist.
>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v5.8+
> ---
>   drivers/gpu/drm/i915/gt/gen8_engine_cs.c |  8 ++++----
>   drivers/gpu/drm/i915/gt/intel_gt_regs.h  | 14 ++++++--------
>   drivers/gpu/drm/i915/gt/intel_lrc.c      |  6 +++---
>   3 files changed, 13 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> index 23857cc08eca1..563efee055602 100644
> --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> @@ -287,8 +287,8 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
>   
>   		if (!HAS_FLAT_CCS(rq->engine->i915)) {
>   			/* hsdes: 1809175790 */
> -			cs = gen12_emit_aux_table_inv(rq->engine->gt,
> -						      cs, GEN12_GFX_CCS_AUX_NV);
> +			cs = gen12_emit_aux_table_inv(rq->engine->gt, cs,
> +						      GEN12_CCS_AUX_INV);
>   		}
>   
>   		*cs++ = preparser_disable(false);
> @@ -348,10 +348,10 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode)
>   	if (aux_inv) { /* hsdes: 1809175790 */
>   		if (rq->engine->class == VIDEO_DECODE_CLASS)
>   			cs = gen12_emit_aux_table_inv(rq->engine->gt,
> -						      cs, GEN12_VD0_AUX_NV);
> +						      cs, GEN12_VD0_AUX_INV);
>   		else
>   			cs = gen12_emit_aux_table_inv(rq->engine->gt,
> -						      cs, GEN12_VE0_AUX_NV);
> +						      cs, GEN12_VE0_AUX_INV);
>   	}
>   
>   	if (mode & EMIT_INVALIDATE)
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> index 718cb2c80f79e..78b67a5336afc 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> @@ -332,9 +332,10 @@
>   #define GEN8_PRIVATE_PAT_HI			_MMIO(0x40e0 + 4)
>   #define GEN10_PAT_INDEX(index)			_MMIO(0x40e0 + (index) * 4)
>   #define BSD_HWS_PGA_GEN7			_MMIO(0x4180)
> -#define GEN12_GFX_CCS_AUX_NV			_MMIO(0x4208)
> -#define GEN12_VD0_AUX_NV			_MMIO(0x4218)
> -#define GEN12_VD1_AUX_NV			_MMIO(0x4228)
> +
> +#define GEN12_CCS_AUX_INV			_MMIO(0x4208)
> +#define GEN12_VD0_AUX_INV			_MMIO(0x4218)
> +#define GEN12_VE0_AUX_INV			_MMIO(0x4238)
>   
>   #define GEN8_RTCR				_MMIO(0x4260)
>   #define GEN8_M1TCR				_MMIO(0x4264)
> @@ -342,14 +343,11 @@
>   #define GEN8_BTCR				_MMIO(0x426c)
>   #define GEN8_VTCR				_MMIO(0x4270)
>   
> -#define GEN12_VD2_AUX_NV			_MMIO(0x4298)
> -#define GEN12_VD3_AUX_NV			_MMIO(0x42a8)
> -#define GEN12_VE0_AUX_NV			_MMIO(0x4238)
> -
>   #define BLT_HWS_PGA_GEN7			_MMIO(0x4280)
>   
> -#define GEN12_VE1_AUX_NV			_MMIO(0x42b8)
> +#define GEN12_VD2_AUX_INV			_MMIO(0x4298)
>   #define   AUX_INV				REG_BIT(0)
> +
>   #define VEBOX_HWS_PGA_GEN7			_MMIO(0x4380)
>   
>   #define GEN12_AUX_ERR_DBG			_MMIO(0x43f4)
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index a4ec20aaafe28..325f3dbfb90e6 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -1367,7 +1367,7 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
>   	/* hsdes: 1809175790 */
>   	if (!HAS_FLAT_CCS(ce->engine->i915))
>   		cs = gen12_emit_aux_table_inv(ce->engine->gt,
> -					      cs, GEN12_GFX_CCS_AUX_NV);
> +					      cs, GEN12_CCS_AUX_INV);
>   
>   	/* Wa_16014892111 */
>   	if (IS_MTL_GRAPHICS_STEP(ce->engine->i915, M, STEP_A0, STEP_B0) ||
> @@ -1396,10 +1396,10 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs)
>   	if (!HAS_FLAT_CCS(ce->engine->i915)) {
>   		if (ce->engine->class == VIDEO_DECODE_CLASS)
>   			cs = gen12_emit_aux_table_inv(ce->engine->gt,
> -						      cs, GEN12_VD0_AUX_NV);
> +						      cs, GEN12_VD0_AUX_INV);
>   		else if (ce->engine->class == VIDEO_ENHANCEMENT_CLASS)
>   			cs = gen12_emit_aux_table_inv(ce->engine->gt,
> -						      cs, GEN12_VE0_AUX_NV);
> +						      cs, GEN12_VE0_AUX_INV);
>   	}
>   
>   	return cs;